Identification of ancient starch grains from the tribe Triticeae in the North China Plain
Identification of ancient starch grains from the tribe Triticeae in the North China Plain
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DOI：
10.1016/j.jas.2013.04.004
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发表时间：
2013-08
影响因子：
2.8
通讯作者：
Xiaoyan Yang;Linda Perry
中科院分区：
文献类型：
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作者：
Xiaoyan Yang;Linda Perry
在中国新石器时代和历史遗址中发现了禾本科植物的大化石和微化石。在对已恢复的植物分类群进行分析的基础上，重点分析了具有重要经济意义的现代淀粉粒分析属。将来自小麦科的现代淀粉粒与来自其他禾本科的淀粉粒进行了比较，并确定了鉴定标准。共选择4亚科13族28属38种进行分析。结果表明，来自小麦科部落成员的淀粉颗粒与其他部落的淀粉颗粒具有独特的透镜状形态和表面压力坑。建立了一个涵盖小麦科7属10种的二分类键，从而可以将部落成员识别到属的水平。从东湖林新石器时代早期遗址出土的石器工具中发现的古代淀粉组合的二分类钥匙表明，在该遗址，与小米一起被开采的还有Hordeum属和Agropyron属植物。
Both macrofossil and microfossil plant remains from the grass family (Poaceae) have been recovered from Neolithic and historic sites in China. Basing our work on the plant taxa that were previously recovered, we analyzed the economically significant genera for modern starch grain analysis with a focus on the important tribe Triticeae. Modern starch grains from the tribe Triticeae were compared with those from other grasses, and criteria for identification were determined. In total, 38 species within 28 genera, 13 tribes and 4 subfamilies were selected for analysis. Results demonstrate that starch grains from members of the tribe Triticeae are discernible from those of other tribes by their distinctive lenticular morphologies and surficial pressure craters. A dichotomous key covering 10 species within 7 genera of the Triticeae was created, thus allowing identification of members of the tribe to the level of genus. Application of the dichotomous key to the ancient starch assemblage recovered from lithic tools excavated from the early Neolithic site of Donghulin demonstrates that plants from the genera Hordeum and Agropyron were exploited alongside millets at this site.